Overview
Black Lava Stones are lightweight volcanic rocks celebrated for their rich dark tones and highly porous structure. Sold in 1 kg packs (typically 4–8 medium-sized pieces ~5–10 cm), they add striking contrast in planted aquariums while providing hidden crevices for fish and shelter for shrimp .
Key Features
- High porosity: Ideal for beneficial bacteria colonisation—enhancing biological filtration powerfully .
- Lightweight and stackable: Easier on glass, yet effective for building caves or rock structures .
- Dark aesthetic: Bold charcoal-black creates visual depth and makes plants and fish stand out .
- Aquarium-safe & inert: Won’t leach minerals or alter water chemistry—safe for all freshwater species .
- Plant-friendly texture: Great for anchoring moss, Java fern, Bucephalandra, and epiphytes .
Specifications
| Material | Natural volcanic lava rock |
|---|---|
| Weight | 1 kg (~4–8 pieces) |
| Size | Approximately 5–10 cm per piece |
| Color | Charcoal black to dark grey |
| Properties | Porous, lightweight, inert, aquarium-safe |
Why Choose Black Lava Stones?
- Supports biofiltering: Porosity encourages colony growth of nitrifying bacteria, improving water stability .
- Enhances design: Adds texture and depth to layouts—great for nature-style or cave features .
- Fish‑and‑shrimp friendly: Crevices offer hiding and grazing areas, reducing stress .
- Easy to use: Rinse and place directly—no soaking needed and safely stackable .
- Durable & reusable: Rinse-cleanable and perfect for redesigns without wear.
Preparation & Care
- Thoroughly rinse under tap water until clear to remove dust .
- Inspect for sharp edges—file or arrange to avoid injury to fish .
- Arrange stones directly in the tank; stack or group for aquascape structure.
- Attach mosses and epiphytes in crevices using thread or plant-safe glue .
- During water changes, gently rinse to clear debris without disturbing substrate.
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